Humphry Davy and the colors of the ancients

期刊论文
摘要:
This article examines ideas held by Humphry Davy (1778-1829) about permanence, progress, experiments...
doi:
10.1590/S0100-40422008000100033
作 者:
Beltran, Maria Helen...
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Química Nova

Atomic spectrometry and the determination of metals in polymeric materials

期刊论文
摘要:
Polymeric materials are widely used in the chemical industry and are part of our daily lives. Inorga...
doi:
10.1590/S0100-40422008000600044
作 者:
Matoso, Érika;Santos...
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Química Nova

Atmosferic pollution (coastal and industrial) effects on electric energy distribution insulators in Salvador, Brazil, metropolitan region

期刊论文
摘要:
The performances of eight kinds of insulators from electrical distribution lines in Salvador-BA, Bra...
doi:
10.1590/S0100-40422008000200029
作 者:
Cabussú, Mário Seixa...
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Química Nova

Antioxidant and anticolinesterasic effects of Hippeastrum species (Amaryllidaceae)

期刊论文
摘要:
Amaryllidaceae family is an important source of bioactive molecules and considering the taxonomic re...
doi:
10.1590/S0100-40422008000800024
作 者:
Pagliosa, Letícia Ba...
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Química Nova

Pump-probe technique for excited state absorption and stimulated emission measurements in rare earth ion doped solid materials

期刊论文
摘要:
Rare earth ion doped solid state materials are the most important active media of near-infrared and ...
doi:
10.1590/S0100-40422008000800032
作 者:
Universidade de São ...
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Química Nova

Study on the use of red mud for removal of dyes from textile effluents

期刊论文
摘要:
Red mud is the principal residue of the alumina (Al2O3) industry. Generated during the Bayer process...
doi:
10.1590/S0100-40422008000500008
作 者:
Motta, Maurício da;B...
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Química Nova

Integration of molecular scientific visualization in the classroom

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摘要:
For some years, Chemistry teachers have used scientific visualization software of molecular models i...
doi:
10.1590/S0100-40422008000800046
作 者:
García-Ruiz, Miguel ...
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Química Nova

Comparative study of carbon quantification methods in soil with high Fe contents (Oxisols)

期刊论文
摘要:
Soil organic matter (SOM) plays an important role in physical, chemical and biological properties of...
doi:
10.1590/S0100-40422008000100020
作 者:
Empresa Brasileira d...
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Química Nova

Synthesis of 1-indanones through the intramolecular Friedel-Crafts acylation reaction using NbCl5 as Lewis acid

期刊论文
摘要:
The intramolecular Friedel-Crafts acylation reaction of 3-arylpropanoic acids to give 1-indanones ca...
doi:
10.1590/S0100-40422008000400010
作 者:
Silva-Filho, Luiz Ca...
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Química Nova

Biosensors based on the enzymatic inhibition process

期刊论文
摘要:
Fast, selective, reproducible and reliable detections have been carried out by using enzymatic biose...
doi:
10.1590/S0100-40422008000700034
作 者:
Marques, Paulo Rober...
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期刊标题:
Química Nova
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